Home / 291,276,006.30-436,914,009.45-118,658,720.70

Finding the Fourth Proportional to 291,276,006.30, 436,914,009.45 and 118,658,720.70

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Solution

The fourth proportional to 291,276,006.30, 436,914,009.45 and 118,658,720.70 is: 177,988,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,276,006.30 : 436,914,009.45 = 118,658,720.70 : x
  2. Step 2: Convert to fraction form
    291,276,006.30/436,914,009.45 = 118,658,720.70/x
  3. Step 3: Cross multiply
    291,276,006.30x = 436,914,009.45 × 118,658,720.70
  4. Step 4: Simplify right side
    291,276,006.30x = 51,843,657,417,244,712
  5. Step 5: Solve for x
    x = 51,843,657,417,244,712/291,276,006.30
  6. Step 6: Final answer
    x = 177,988,081.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.